Finding the Fourth Proportional to 564,860.88, 779,507.12 and 310,212.08
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Solution
The fourth proportional to 564,860.88, 779,507.12 and 310,212.08 is: 428,092.17
Step by Step Solution
- Step 1: Write the proportion equation
564,860.88 : 779,507.12 = 310,212.08 : x - Step 2: Convert to fraction form
564,860.88/779,507.12 = 310,212.08/x - Step 3: Cross multiply
564,860.88x = 779,507.12 × 310,212.08 - Step 4: Simplify right side
564,860.88x = 241,812,519,621.41 - Step 5: Solve for x
x = 241,812,519,621.41/564,860.88 - Step 6: Final answer
x = 428,092.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.